As part of an ongoing investigation of a 33-year-old man with suspected gang ties, South Chicago District tactical officers and members of the SWAT team served the warrants at two addresses on the 7500 block of South Chappel Avenue at about 7:30 a.m., police said.

In one home heroin worth about $3,700 was found, while in a garage there three assault-style rifles and an assault-style .22-caliber pistol were discovered, police said. All the weapons were loaded and had high-capacity ammunition magazines.

At the other home on the same side of the block, police found sheets of apparently counterfeit dollar bills next to clothing owned by the 33-year-old man targeted by the search warrants, according to police News Affairs.

The man was not at either location and the investigation was ongoing, police said.